diff --git a/README.md b/README.md
index 7d1dff3a..7520128d 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ pebble -config ./test/config/pebble-config.json
 ```
 
 Afterwards you can access the Pebble server's ACME directory
-at `http://localhost:14000/dir`.
+at `https://localhost:14000/dir`.
 
 ### Docker Image